How to Do a GAL Sync during a exchange 2003 to Exchange 2010 Migration. what do i use, and how to configure.

How do we do a gal sync from exchange 2003 to exchage 2010, in order to create mail enabled users in the Target forest. We are Migrating AD from 2003 to 2008 r2, We are migrating Exchange 2003 to Exchange 2010. All mailboxes are on 2003 mailbox server. and we have built a 2010 Hub\
CAS\Mailbox server in the source domain for translation. Using ILM contacts are created in Target, but not mail enabled accounts. This is the last piece to prepare for our migration. what are we missing. is there another tool that will do what we need.

The default GALSync code is designed to create contact, not provision new user principal objects with mailboxes. The whole principle behind GALSync is that mailboxes on one side are created as contacts

The default GALSync code is designed to create contact, not provision new user principal objects with mailboxes. The whole principle behind GALSync is that mailboxes on one side are created as contacts on the other side, and vice versa. It is not designed as a migration solution. You will need to modify the provisioning code to create AD user objects and mailboxes.

To show how to generate a certificate request in Exchange 2013. We show this process by using the Exchange Admin Center.
Log into Exchange Admin Center.: First we need to log into the Exchange Admin Center.
Navigate to the Servers >> Certificates…

In this Micro Video tutorial you will learn the basics about Database Availability Groups and How to configure one using a live Exchange Server Environment.
The video tutorial explains the basics of the Exchange server Database Availability grou…